Kykar, Wind's Fury triggers, creating a 1/1 Spirit creature token with flying.
Underworld Breach resolves.
Activate Kykar by sacrifice a Spirit token, adding ({R} magic symbol) .
Cast Burning Inquiry by paying ({R} magic symbol) .
Kykar, Wind's Fury triggers, creating a 1/1 Spirit creature token with flying.
Resolve Bruning Inquiry, causing each player to draw three cards, then discard three cards at random.
Activate Kykar by sacrifice a Spirit token, adding ({R} magic symbol) .
Cast Burning Inquiry from the graveyard for its escape cost by paying ({R} magic symbol) and exiling three other cards from your graveyard.
Repeat until you have two or fewer cards in your library.
Cast Thassa's Oracle from your graveyard for its escape cost by paying ({U} magic symbol) ({U} magic symbol) and exiling three other cards from your graveyard.
Thassa's Oracle enters the battlefield and triggers, causing you to win the game.